Mitsubishi Electronics WD-52528, WD-62527, WD-62528 specifications Sound Signal Path

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MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528

Sound Signal Path

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Contents 2005 Page Contents Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Characteristics Servicing use only recommended Lead-Free solder refer toSafety Precautions Speaker Grille Removal SCREEN-ASSY RemovalBACK-COVER Removal Metal Support Plate RemovalClamp Release Cable Clamps & Disconnect CE ConnectorChassis Mounting Screws Removal Chassis removal from the Cabinet On the right side of the chassis from the rearAC Cord Complete Chassis Removal J8F01FCChassis Sequence of Disassembly Chassis Cover Removal 1 Remove the 4 screws a Assy PWB- Terminal Removal FigurePWB-POWER Removal Figure Chassis Upper Shield Removal FigureChassis Rear Shield Removal Figure PWB-MICRO Removal Referring to FigurePWB-RISER and PWB-FORMAT Removal Referring to Figure PWB-DM Removal FigureLight Engine Replacement Light Engine and Associated ComponentsPreliminary Light Engine Removal ProcedureLight Engine Rear View Remove two screws c from Fan Plate and remove Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Installation Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens RemovalBezel Removal Front View Lenticular Screen and Fresnel Lens Installation Installing the Fresnel Lens & Lenticular ScreenOption Menu AV Reset Defaults LED Indicator DiagnosticsError Codes Remote Control Operational Modes Two Electrical AdjustmentsTwo Mechanical Adjustment Activating the Adjustment ModeAdjustment Selection Adjusting DataTerminating the circuit adjustment mode Saving DataLight Engine Adjustments Trapezoid Distortion Adjustment Rotation AdjustmentClockwise Rotation Needed Counter Clockwise Rotation NeededFormat Circuit Horizontal/Vertical Position Adjust- ment Micro / Terminal PWB Troubleshooting Power PWB Troubleshooting LCD Engine Internal Layout Lamp Protect Line Pb Solder Pb-Free DisplayChip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Quick Reference for Common Parts Integrated Circuits Ref # Part Name & DescriptionTransistors DiodesCoils Chip UDZS3.9BCORE-FERRITE ZBF503D-01 L9D06 L9D00L9D02 Transformers Variable ResistorsResistors CapacitorsC9A10 CER AC250V E2200P-MC9A13 C9A14Switches MiscellaneousCosmetic Parts AccessoriesPrinted Circuit Boards Screen Parts Ref # Part Name & Description WD-525427WD-62527 WD-52528Screen Assembly Exploded View Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Lamp Ballast DC Supply Fans Power Supply Analog Video Signal Path Digital Video Signal Path Sound Signal Path Command Input Circuitry Serial Control Lines Lamp Control Circuitry Shutter Control Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Models WD-52527 / WD-52528 / WD-62527 / WD-62528 PWB-DM Audio Supply Switch ContentsDoubler Circuit AC-OFF DetectTo Sensors & Fans To Ballast Contents ChassisTo Shutter Control TO/FROM RiserSdram Address BUS Sdram Data BUSFMT Board Input BUS Control To DM BoardSdram Address M306V7FGFP#U0 SN74CBTD1G125DBVRTC7SA 08FU T883C446 MODEL/GROUP NumbersSYSTEM-5 Micro SYS5SN74HC132DB SN74LVC1G125DBVRVideo Switching A05FPR0XC TmdspgndRsvda R1XCTA to Signal PWB VID-SW INPUT1COMP-1 COMP-2 DVI-1 DVI-2IF+ UPC3221GVTO/FROM Interface TO/FROM Power TC7SET08F M306H2FCFPAX823MEUK To PWB-TERMINAL

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